CN211758744U

CN211758744U - Pneumatic milling machine

Info

Publication number: CN211758744U
Application number: CN202020097508.9U
Authority: CN
Inventors: 赵祥龙; 赵守新; 耿建荣; 赵心悦
Original assignee: Cangzhou Xinkuo Machinery Equipment Co ltd
Current assignee: Cangzhou Xinkuo Machinery Equipment Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-27
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to the technical field of machining, in particular to a pneumatic milling machine; the device can effectively reduce the maintenance workload, can continuously perform milling operation when a workpiece is fixed and taken, and has higher processing efficiency; the base, the lathe bed, the headstock, first workstation, the second workstation, two sets of pneumatic cylinders, revolving stage and step motor, be provided with two sets of slide rails on the lathe bed, headstock slidable sets up on two sets of slide rails, the top of headstock is provided with the driving motor who is connected with the headstock transmission, the bottom of headstock is provided with the milling cutter of being connected with the headstock transmission, be provided with the installation cavity on the base, first workstation is fixed to be set up in the left part of base, the fixed right part that sets up in the base of second workstation, the bottom of two sets of pneumatic cylinders and the top left part fixed connection of revolving stage, the output of two sets of pneumatic cylinders all with the bottom right part fixed connection of headstock, the top of base and the bottom of revolving stage all are provided with the ring channel, be provided with.

Description

Pneumatic milling machine

Technical Field

The utility model relates to a technical field of machine tooling especially relates to a pneumatic milling machine.

Background

As is well known, a milling machine is a machine tool for milling a workpiece by using a milling cutter, and the milling machine can mill a plane, a groove, a gear tooth, a thread and a spline shaft, can also process a relatively complex molded surface, has high efficiency, and is widely used in the field of machining; the existing milling machine comprises a base, a machine body, a spindle box and a workbench, wherein the bottom end of the machine body is fixedly connected with the right part of the top end of the base, two groups of slide rails are arranged on the machine body, the spindle box is slidably arranged on the two groups of slide rails, a first driving motor in transmission connection with the spindle box is arranged at the top end of the spindle box, a milling cutter in transmission connection with the spindle box is arranged at the bottom of the spindle box, a second driving motor is fixedly arranged at the top end of the machine body, a ball rotating shaft is arranged at the output end of the second driving motor; when the existing milling machine is used, a workpiece to be processed is placed on a workbench, a first driving motor is started, the milling cutter is driven to rotate through a spindle box, the output end of a pneumatic cylinder is extended or shortened through starting a second driving motor, and the workpiece is milled; in the use of the existing pneumatic milling machine, the main shaft box needs to move up and down frequently due to the processing requirement, the second driving motor needs to be started frequently, and the second driving motor is easy to damage, so that the overhaul workload is increased; when the workpiece is fixed on the workbench and the milled workpiece is taken down, normal machining operation cannot be carried out, and the low machining efficiency has certain use limitation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The pneumatic milling machine is not enough to prior art, the utility model provides a can effectively reduce the maintenance work volume, the work piece is fixed and can sustainably mill the operation when getting the piece, and machining efficiency is higher.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the automatic cutting machine comprises a base, a machine body, a spindle box, a first workbench, a second workbench, two groups of pneumatic cylinders, a rotary table and a stepping motor, wherein the machine body is provided with two groups of slide rails, the spindle box is slidably arranged on the two groups of slide rails, the top end of the spindle box is provided with a driving motor in transmission connection with the spindle box, the bottom of the spindle box is provided with a milling cutter in transmission connection with the spindle box, the base is provided with an installation cavity, the stepping motor is fixedly arranged in the installation cavity, the top end of the rotary table is fixedly connected with the bottom end of the machine body, the output end of the stepping motor penetrates through the top end wall of the base from the installation cavity and is fixedly connected with the top end of the rotary table, the first workbench is fixedly arranged at the left part of the base, the second workbench is fixedly arranged at the right part of the base, the bottom ends of the two groups of, the bottom of revolving stage and the top in close contact with of base, the top of base and the bottom of revolving stage all are provided with the ring channel, be provided with the steel ball of multiunit equipartition in the ring channel.

Preferably, still include two sets of spacing pneumatic poles, the right-hand member of first workstation and the left end of second workstation all are provided with the standing groove, and two sets of spacing pneumatic poles are fixed respectively and are set up in the standing groove of first workstation and second workstation, the left end and the right-hand member of revolving stage all are provided with the spacing jack that agrees with two sets of pneumatic pole output.

Preferably, the lathe further comprises two groups of supporting gears, two groups of chains and a balancing weight, a cavity is formed in the lathe bed, the balancing weight is arranged in the cavity, two groups of first connecting rings are arranged at the right part of the top end of the spindle box, two groups of second connecting rings are fixedly arranged in the middle of the top end of the balancing weight, the supporting gears are fixedly arranged at the top end of the lathe bed, one ends of the two groups of chains are hinged to the two groups of first connecting rings respectively, the other ends of the two groups of chains are hinged to the two groups of second connecting rings respectively, and the two groups of chains are sleeved on the two groups.

Preferably, the front end, the rear end, the left end and the right end of balancing weight all are provided with the gyro wheel of multiunit equipartition, multiunit gyro wheel all with cavity inner wall in close contact with.

Preferably, still include mounting bracket and blowing head, the mounting bracket is fixed to be set up in the bottom of headstock, the blowing head is fixed to be set up on the mounting bracket, the output of blowing head is towards the bottom of milling cutter.

Preferably, the front end of base is provided with the access hole, the access hole with the installation cavity communicates with each other, be provided with the access door on the access hole.

(III) advantageous effects

Compared with the prior art, the utility model provides a pneumatic milling machine possesses following beneficial effect:

1. this pneumatic milling machine, through starting pneumatic cylinder, the output extension that makes pneumatic cylinder or shorten to make the headstock reciprocate along the slide rail, replace motor drive ball pivot to drive the headstock and reciprocate, pneumatic cylinder simple structure compares and overhauls the work load little with the motor, and is more practical.

2. The pneumatic milling machine is characterized in that a workpiece to be machined is fixedly placed on a first workbench, a driving motor is started to drive a spindle box to work, so that a milling cutter rotates, a pneumatic cylinder is started to move the spindle box downwards, the workpiece to be machined is milled, another group of workpieces to be machined can be fixedly placed on a second workbench to be ready at the moment, after the workpiece on the first workbench is machined, each spindle box is reset, a stepping motor is started to drive a rotary table to rotate 180 degrees and then stop, the steps are repeated again to mill the workpiece on the second workbench, the workpiece which is machined on the first workbench is taken down at the moment, a new workpiece to be machined is taken in place, so that the milling machine can continuously work, the continuous milling operation can be carried out when the workpiece is fixed and taken, the efficiency is higher, and the pneumatic milling machine is more practical.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the bed body of the present invention;

fig. 3 is a left side view structure diagram of the present invention;

fig. 4 is a schematic view of the enlarged structure of a part a in fig. 1 according to the present invention;

in the drawings, the reference numbers: 1. a base; 2. a bed body; 3. a main spindle box; 4. a first table; 5. a second table; 6. a pneumatic cylinder; 7. a turntable; 8. a stepping motor; 9. a slide rail; 10. a drive motor; 11. milling cutters; 12. an annular groove; 13. steel balls; 14. a limiting pneumatic rod; 15. limiting the jacks; 16. a support gear; 17. a chain; 18. a balancing weight; 19. a first connecting ring; 20. a second connection ring; 21. a roller; 22. a mounting frame; 23. a blowing head; 24. an access door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the pneumatic milling machine of the present invention comprises a base 1, a machine body 2, a spindle box 3, a first workbench 4, a second workbench 5, two sets of pneumatic cylinders 6, a turntable 7 and a stepping motor 8, wherein the machine body 2 is provided with two sets of slide rails 9, the spindle box 3 is slidably disposed on the two sets of slide rails 9, the top end of the spindle box 3 is provided with a driving motor 10 in transmission connection with the spindle box 3, the bottom of the spindle box 3 is provided with a milling cutter 11 in transmission connection with the spindle box 3, the base 1 is provided with a mounting cavity, the stepping motor 8 is fixedly disposed in the mounting cavity, the top end of the turntable 7 is fixedly connected with the bottom end of the machine body 2, the output end of the stepping motor 8 passes through the top end wall of the base 1 from the mounting cavity and is fixedly connected with the top end of the turntable 7, the first workbench 4 is fixedly disposed at the left portion, the bottom ends of the two groups of pneumatic cylinders 6 are fixedly connected with the left part of the top end of the rotary table 7, the output ends of the two groups of pneumatic cylinders 6 are fixedly connected with the right part of the bottom end of the main spindle box 3, the bottom end of the rotary table 7 is tightly contacted with the top end of the base 1, annular grooves 12 are formed in the top end of the base 1 and the bottom end of the rotary table 7, and a plurality of groups of uniformly distributed steel balls 13 are arranged in the annular grooves 12; the output end of the pneumatic cylinder 6 is extended or shortened by starting the pneumatic cylinder 6, so that the spindle box 3 moves up and down along the slide rail 9, the ball rotating shaft is driven by a motor to drive the spindle box 3 to move up and down, and the pneumatic cylinder 6 is simple in structure, small in maintenance workload compared with the motor and more practical; the workpiece to be processed is placed on the first workbench 4 to be fixed, the driving motor 10 is started to drive the spindle box 3 to work, so that the milling cutter 11 rotates, the pneumatic cylinder 6 is started to drive the spindle box 3 to move downwards, milling the workpiece to be machined, fixing another group of workpieces to be machined on the second worktable 5 for standby, after the workpiece on the first workbench 4 is machined, resetting each spindle box 3, starting the stepping motor 8, enabling the stepping motor 8 to drive the rotary table 7 to rotate 180 degrees and then stop, repeating the steps again to mill the workpiece on the second workbench 5, taking down the machined workpiece on the first workbench 4, and positioning a new workpiece to be machined, therefore, the milling machine can continuously work, the milling operation can be continuously carried out when the workpiece is fixed and taken, the efficiency is higher, and the milling machine is more practical.

The utility model discloses a pneumatic milling machine, still include two sets of spacing pneumatic rods 14, the right-hand member of first workstation 4 and the left end of second workstation 5 all are provided with the standing groove, two sets of spacing pneumatic rods 14 are fixed respectively and are set up in the standing groove of first workstation 4 and second workstation 5, the left end and the right-hand member of revolving stage 7 all are provided with the spacing jack 15 that agrees with two sets of pneumatic rod output; after the rotary table 7 is rotated, the two groups of limiting pneumatic rods 14 are started, the output ends of the two groups of limiting pneumatic rods 14 are extended, and the output ends of the two groups of limiting pneumatic rods 14 are inserted into the limiting insertion holes 15, so that the rotary table 7 is effectively limited.

The utility model discloses a pneumatic milling machine, still include two sets of support gears 16, two sets of chains 17 and balancing weight 18, be provided with the cavity in the lathe bed 2, balancing weight 18 sets up in the cavity, the top right part of headstock 3 is provided with two sets of first connecting rings 19, the top middle part of balancing weight 18 is fixed and is provided with two sets of second connecting rings 20, support gear 16 is fixed and is set up in the top of lathe bed 2, one end of two sets of chains 17 is articulated with two sets of first connecting rings 19 respectively, the other end of two sets of chains 17 is articulated with two sets of second connecting rings 20 respectively, two sets of chains 17 are respectively overlapped on two sets of support gears 16; through the setting of balancing weight 18 and chain 17, can make headstock 3 when the rebound, balancing weight 18 rebound, the burden of having alleviateed pneumatic cylinder 6, practice thrift the energy consumption.

In the pneumatic milling machine of the utility model, the front end, the rear end, the left end and the right end of the balancing weight 18 are all provided with a plurality of groups of uniformly distributed rollers 21, and the plurality of groups of rollers 21 are all in close contact with the inner wall of the cavity; through the setting of gyro wheel 21, can reduce the balancing weight 18 at the frictional force of removal process, can effectively prevent that balancing weight 18 from appearing the condition emergence of rocking in the process of sliding from top to bottom simultaneously to the production of noise abatement.

The utility model discloses a pneumatic milling machine, still include mounting bracket 22 and blowing head 23, mounting bracket 22 is fixed to be set up in the bottom of headstock 3, and blowing head 23 is fixed to be set up on mounting bracket 22, and the output of blowing head 23 is towards the bottom of milling cutter 11; by communicating the input end of the blowing head 23 with the output end of the air source, when the milling cutter 11 performs milling operation, the cut metal chips can be blown away by the pressurized air blown out by the blowing head 23, so that the milling cutter 11 can feed more smoothly.

The utility model discloses a pneumatic milling machine, the front end of the base 1 is provided with an access hole, the access hole is communicated with the installation cavity, and the access hole is provided with an access door 24; through the setting of access door 24, can overhaul more convenient and fast to step motor 8 in the installation cavity.

When the milling machine is used, a workpiece to be processed is placed on the first workbench 4 to be fixed, the driving motor 10 is started to drive the spindle box 3 to work, so that the milling cutter 11 rotates, the pneumatic cylinder 6 is started, the spindle box 3 moves downwards, the milling operation is carried out on the processed workpiece, another group of workpieces to be processed can be fixedly placed on the second workbench 5 to be ready, after the workpiece on the first workbench 4 is processed, each spindle box 3 is reset, the stepping motor 8 is started, the stepping motor 8 drives the rotary table 7 to rotate 180 degrees and then stops, the steps are repeated again to carry out the milling operation on the workpiece on the second workbench 5, the processed workpiece on the first workbench 4 is taken down, a new workpiece to be processed is put in place, so that the milling machine can continuously operate, the milling operation can be continuously carried out when the workpiece is fixed and taken out, and the efficiency is higher, the method is more practical; after the rotary table 7 is rotated, the two groups of limiting pneumatic rods 14 are started, so that the output ends of the two groups of limiting pneumatic rods 14 are extended, and the output ends of the two groups of limiting pneumatic rods 14 are inserted into the limiting insertion holes 15, so that the rotary table 7 is effectively limited; through the arrangement of the balancing weight 18 and the chain 17, the balancing weight 18 can move downwards when the spindle box 3 moves upwards, the burden of the pneumatic cylinder 6 is reduced, and the energy consumption is saved; through the arrangement of the roller 21, the friction force of the balancing weight 18 in the moving process can be reduced, and meanwhile, the situation that the balancing weight 18 shakes in the up-and-down sliding process can be effectively prevented, so that the noise is reduced; by communicating the input end of the blowing head 23 with the output end of the air source, when the milling cutter 11 performs milling operation, the cut metal chips can be blown away by pressurized air blown by the blowing head 23, so that the milling cutter 11 can feed more smoothly; through the setting of access door 24, can overhaul more convenient and fast to step motor 8 in the installation cavity.

The utility model discloses a pneumatic milling machine, driving motor and step motor all purchase to driving motor and step motor all carry out the electricity through the instruction manual of buying together and connect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pneumatic milling machine is characterized by comprising a base (1), a machine body (2), a spindle box (3), a first workbench (4), a second workbench (5), two sets of pneumatic cylinders (6), a rotary table (7) and a stepping motor (8), wherein the machine body (2) is provided with two sets of slide rails (9), the spindle box (3) is slidably arranged on the two sets of slide rails (9), the top end of the spindle box (3) is provided with a driving motor (10) in transmission connection with the spindle box (3), the bottom of the spindle box (3) is provided with a milling cutter (11) in transmission connection with the spindle box (3), the base (1) is provided with a mounting cavity, the stepping motor (8) is fixedly arranged in the mounting cavity, the top end of the rotary table (7) is fixedly connected with the bottom end of the machine body (2), and the output end of the stepping motor (8) penetrates through the top end wall of the base (1) from the mounting cavity and is fixedly connected with the, first workstation (4) fixed setting in the left part of base (1), second workstation (5) fixed setting in the right part of base (1), the bottom of two sets of pneumatic cylinders (6) with the top left part fixed connection of revolving stage (7), the output of two sets of pneumatic cylinders (6) all with the bottom right part fixed connection of headstock (3), the bottom of revolving stage (7) and the top in close contact with of base (1), the top of base (1) and the bottom of revolving stage (7) all are provided with ring channel (12), be provided with steel ball (13) of multiunit equipartition in ring channel (12).

2. The pneumatic milling machine according to claim 1, further comprising two sets of limiting pneumatic rods (14), wherein the right end of the first workbench (4) and the left end of the second workbench (5) are respectively provided with a placing groove, the two sets of limiting pneumatic rods (14) are respectively and fixedly arranged in the placing grooves of the first workbench (4) and the second workbench (5), and the left end and the right end of the rotary table (7) are respectively provided with a limiting jack (15) matched with the output ends of the two sets of pneumatic rods.

3. The pneumatic milling machine according to claim 2, further comprising two sets of supporting gears (16), two sets of chains (17) and a counterweight (18), wherein a cavity is formed in the machine body (2), the counterweight (18) is disposed in the cavity, two sets of first connecting rings (19) are disposed at the right portion of the top end of the spindle box (3), two sets of second connecting rings (20) are fixedly disposed at the middle portion of the top end of the counterweight (18), the supporting gears (16) are fixedly disposed at the top end of the machine body (2), one ends of the two sets of chains (17) are respectively hinged to the two sets of first connecting rings (19), the other ends of the two sets of chains (17) are respectively hinged to the two sets of second connecting rings (20), and the two sets of chains (17) are respectively sleeved on the two sets of supporting gears (16).

4. A pneumatic milling machine according to claim 3, characterized in that the front, rear, left and right ends of the weight block (18) are provided with a plurality of groups of uniformly distributed rollers (21), and the plurality of groups of rollers (21) are in close contact with the inner wall of the cavity.

5. A pneumatic milling machine according to claim 4, characterized by further comprising a mounting frame (22) and a blowing head (23), wherein the mounting frame (22) is fixedly arranged at the bottom end of the spindle box (3), the blowing head (23) is fixedly arranged on the mounting frame (22), and the output end of the blowing head (23) faces the bottom end of the milling cutter (11).

6. The pneumatic milling machine according to claim 5, characterized in that the front end of the base (1) is provided with an access opening, the access opening is communicated with the mounting cavity, and an access door (24) is arranged on the access opening.